| "Marylando-Hibernus" : Charles Carroll the Settler, 1660-1720 | Hoffman, Ronald | Article in Journal | | 1988 |
| 'Into Another Mould' : aspects of the Interregnum | | Monograph or Collective Volume | | 1981 |
| 'The groans of Ireland' | | Article in Journal | | 1954 |
| 'The Irish Dr Goebbels' : Frank Gallagher and Irish republican propaganda | Walker, Graham | Article in Journal | | 1992 |
| 1745 and after | | Monograph or Collective Volume | Nelson | 1938 |
| 2000 years of British life : a social history of England, Wales, Scotland and Ireland | Somerset Fry, Plantagenet | Monograph or Collective Volume | | 1976 |
| 5th Royal Irish Lancers | Hitchcock, F. C. | Article in Journal | | 1941 |
| A bhfuil aguinn dár chum Tadhg Dall Ó Huiginn. The bardic poems of Tadhg Dall Ó Huiginn (1550-1591), 1 : introduction and texts; 2 : translation and notes. 2 pts. | | Monograph or Collective Volume | Irish Texts Society | 1922 |
| A bibliography of royal proclamations of the Tudor and Stuart sovereigns and of others published under authority 1485-1714, with an historical essay on their origin and use by Robert Steele, 1 : England and Wales; 2 pt. 1 : Ireland; [2 pt.] 2 : Scotland. 2 vols | Lindsay, James Ludovic, 26th Earl of Crawford and 9th Earl of Balcarres | Monograph or Collective Volume | | 1910 |
| A brief character of Ireland | Anonymous | Monograph or Collective Volume | | 1692 |
| A call to arms | O'Brien, Paul | Article in Journal | | 2014 |
| A Canadian Emigration Commissioner in Northern Ireland | Keep, G. R. C. | Article in Journal | | 1953 |
| A collection of the state letters of the Rt. Hon R. Boyle, the first earl of Orrery. 2 vols. | | Monograph or Collective Volume | | 1743 |
| A collection of tracts and treatises illustrative ... of Ireland. 2 vols. | Anonymous | Monograph or Collective Volume | | 1860 |
| A computer-generated concordance to the Liber Epistolarum of St Patrick | Devine, Kieran | Monograph or Collective Volume | | 1989 |
| A contemporary history of affairs in Ireland from A.D. 1641 to 1652. 3 vols. | | Monograph or Collective Volume | | 1879 |
| A continuation of the impartial history of the wars of Ireland | Story, George | Monograph or Collective Volume | | 1693 |
| A descriptive catalogue of Gaelic manuscripts in the Advocates' Library, Edinburgh and elsewhere in Scotland | MacKinnon, Donald | Monograph or Collective Volume | | 1912 |
| A discourse concerning Ireland and the different interests thereof in answer to the Exon and Barnstaple petitions | Anonymous | Monograph or Collective Volume | | 1698 |
| A discourse of Ireland [c.1620] | Gernon, Luke | Article in Book | | 1904 |
| A dissuasive from popery, to the people of Ireland | Taylor, Jeremy, bishop, 1613-1667 | Monograph or Collective Volume | | 1664 |
| A distribution of forfeited land in the county of Cork, returned by the Downe Survey | | Article in Journal | | 1936 |
| A Falsified Text - Two Versions of Timothy Healy's Views on the Irish Question | Howard, Christopher Henry Durham | Article in Journal | | 1951 |
| A Frenchman's Walk through Ireland 1796-7; translated from the French of De Latocnaye | | Monograph or Collective Volume | Stevenson & Orr|Hodges Figgis | 1917 |
| A guide to sources for Irish-language book history : histories, catalogues, bibliographies, online resources, libraries, and archives | Kudenko, Ksenia | Article in Book | | 2025 |
| A guide to the historical and archaeological publications of societies in England and Wales, 1901-33 | | Monograph or Collective Volume | Athlone Press | 1968 |
| A guide to the records deposited in the Public Record Office of Ireland | Wood, Herbert | Monograph or Collective Volume | | 1919 |
| A Hiberno-Scottish family (Ó Muirgheasáin, Morrison) | O'Rahilly, T. F. | Article in Journal | | 1942 |
| A historie of Ireland : written in the yeare 1571 | Campion, Edmund | Article in Book | | 1809 |
| A history of vagrants and vagrancy and beggars and begging | Ribton-Turner, C. J. | Monograph or Collective Volume | | 1887 |
| A Jacobite narrative of the war in Ireland, 1688-1691 | | Monograph or Collective Volume | | 1892 |
| A landgable roll of Cork city | | Article in Journal | | 1971 |
| A list of books on the postal history, postmarks and adhesive postage and revenue stamps of Great Britain. | | Monograph or Collective Volume | | 1971 |
| A list of early burials in the French church, Waterford | | Article in Journal | | 1973 |
| A pictorial history of Óglaigh na hÉireann, The Defence Forces of Ireland | | Monograph or Collective Volume | Defence Forces Printing Press | 2016 |
| A plan for a Dutch invasion of Scotland, 1797 | | Article in Journal | | 1974 |
| A poem on the downfall of the Gaoidhil | | Article in Journal | | 1969 |
| A short history of sepulchral cross-slabs : with reference to other emblems found thereon : with notes and illustrations of examples found in the British Isles | Styan, K. E. | Monograph or Collective Volume | | 1902 |
| A short-title calendar of Hibernia, 5 : 1894-9, and of Irish material in Saxonia S. Crucis, 3 : 1890-1900, in the General Archives of the Friars Minor, Rome | Conlan, Patrick, 1940- | Article in Journal | | 1985 |
| A statute of the fortieth year of King Edward III, enacted in a parliament held in Kilkenny, A.D. 1367, before Lionel, duke of Clarence, lord lieutenant of Ireland | | Article in Book | | 1843 |
| A survey of manuscripts of Irish interest for the period 1715-1850 in the House of Lords' Record Office | Dietz, Brian | Article in Journal | | 1966 |
| A Tudor Viceroy: -Sir William Fitzwilliam of Milton, 1560–1575, the reluctant lord deputy | Fennell, Deirdre | Monograph or Collective Volume | Wehrhahn Verlag | 2020 |
| A view of the state of Ireland : written dialogue-wise between Eudoxus and Irenaeus | Spenser, Edmund | Article in Book | | 1809 |
| A year in Europe, comprising a journal of observations in England, Scotland, Ireland, France, Switzerland, the north of Italy and Holland. In 1818 and 1819. 2 vols. | Griscom, John | Monograph or Collective Volume | | 1823 |
| Abstracts of 17th-century Irish wills in the Prerogative Court of Canterbury | | Article in Journal | | 1948 |
| Account of facsimiles of national manuscripts of Ireland from the earliest specimens to A.D. 1719 | Gilbert, J. T. (John Thomas), Sir, 1829-1898 | Monograph or Collective Volume | | 1884 |
| Accounts of sums realised by sale of chattles of some suppressed Irish monasteries | | Article in Journal | | 1922 |
| Acta et decreta synodi plenariae episcoporum Hiberniae habitae apud Maynutian, an. MDCCCLXXV | Anonymous | Monograph or Collective Volume | | 1877 |
| Acta Sacrae Congregationis de Propaganda Fide, 1622-50 | | Article in Journal | | 1959 |
| Additional Sidney state papers, 1566-70 | | Article in Journal | | 1970 |
| Against the tide : a calendar of the papers of J.B. Armour, Irish Presbyterian minister and Home Ruler | | Monograph or Collective Volume | | 1985 |
| An account of the most important public records of Great Britain and the publications of the Record Commissions ... 2 vols. | Cooper, C. P. | Monograph or Collective Volume | | 1832 |
| An elegy on Donnchadh Ó Briain, fourth earl of Thomond | | Article in Journal | | 1984 |
| An Inquiry into the abuses of the chartered schools in Ireland. With remarks upon the education of the lower classes, in that country | Steven, Robert | Monograph or Collective Volume | | 1817 |
| An Leabhar Muimhneach maraon le suim aguisini | | Monograph or Collective Volume | Foillseacháin Rialtais | 1940 |
| Anglo-Irish Relations : Partition and the British Dimension in Historical Perspective | Fanning, Ronan | Article in Journal | | 1985 |
| Annála ríoghachta Éireann : Annals of the Kingdom of Ireland, by the four masters, from the earliest period to 1616. 7 vols. | | Monograph or Collective Volume | Hodges & Smith | 1851 |
| Annals of Ireland : Three fragments, copied from ancient sources, edited with a translation and notes from a MS preserved in the Burgundian Library at Brussels | | Monograph or Collective Volume | | 1860 |
| Annals of Ireland, 1443-68. Trans. from the Irish by Dudley Firbasse, or Duald MacFirbis, for Sir James Ware in 1666 | | Article in Book | | 1846 |
| Annals of Ulster (from 1790 to 1798) by Samuel McSkimin | | Monograph or Collective Volume | | 1906 |
| Annesley collection, Co. Down. | | Article in Journal | | 1946 |
| Annual bibliography of British and Irish history : publications of 1986 | | Monograph or Collective Volume | | 1987 |
| Annual Bibliography of British and Irish history : publications of 1990 | | Monograph or Collective Volume | | 1991 |
| Annual List and brief review of articles on agrarian history, 1985 | Morgan, Raine | Article in Journal | | 1987 |
| Annual list and brief review of articles on agrarian history, 1986 | | Article in Journal | | 1988 |
| Annual reports of the Commissioners of Education in Ireland, 1814-31 | Anonymous | Monograph or Collective Volume | | 1814 |
| Anti-standing army ideology, identity, and ideas of union within the British Isles, 1689–1714 | McGrath, Charles Ivar | Article in Journal | | 2023 |
| Architectural periodicals index (and books catalogued by the British Architectural Library). 20+ vols. | Anonymous | Monograph or Collective Volume | | 1972 |
| Archives of the municipal corporation of Waterford | | Article in Book | | 1885 |
| Armed forces of the Irish chiefs in the early sixteenth century (list from B.M. Cott. MS, Dom. A, xviii) | | Article in Journal | | 1932 |
| Art bibliographies modern. 26+ vols. | | Monograph or Collective Volume | | 1969 |
| Aspects of Anglo-Jewish life, 1656-1956 : a tercentenary brochure | Anonymous | Monograph or Collective Volume | | 1956 |
| Association records of the Particular Baptists of England, Wales and Ireland to 1660 | | Monograph or Collective Volume | | 1977 |
| Avery Index to Architectural Periodicals | Anonymous | Monograph or Collective Volume | | 1973 |
| Barnard Letters, 1778-1824 | | Monograph or Collective Volume | | 1928 |
| Bayle, Hume and Berkeley | Courtines, Pierre | Article in Journal | | 1947 |
| Being Had : Historians, Evidence and the Irish in North America | Akenson, Donald Harman | Monograph or Collective Volume | Meany | 1985 |
| Berkeley and Percival : the correspondence of George Berkeley, afterwards Bishop of Cloyne and Sir John Percival, afterwards Earl of Egmont | | Monograph or Collective Volume | | 1914 |
| Berkeley's philosophy of science | Jessop, T. E. | Article in Journal | | 1963 |
| Bibliographie sélective : histoire, politique, institutions Irlandaises 1991-1992 | Deutsch, RichardJoannon, Pierre | Article in Journal | | 1992 |
| Bibliography of periodical literature relating to the archaeology of Ulster, 1948-50 | Jope, E. M. | Article in Journal | | 1950 |
| Bishop Dopping's visitation book, 1682-85 | | Article in Journal | | 1975 |
| Book of Armagh : The Patrician documents | | Monograph or Collective Volume | | 1937 |
| Book of Survey and Distribution, Kilkenny. Copied from the original MS in the Public Record Office, Dublin | Anonymous | Article in Book | | 1893 |
| Botany Bay : the story of the convicts transported from Ireland to Australia, 1791-1853 | Costello, Con | Monograph or Collective Volume | | 1987 |
| Britain in the first age of party, 1680-1750 : essays presented to Geoffrey Holmes | | Monograph or Collective Volume | | 1987 |
| British history 1485-1763 : Britain in the widening world | Hopkins, Eric | Monograph or Collective Volume | | 1967 |
| Calendar of Archbishop Alen's register, c.1172-1534; prepared and edited from the original in the registry of the united dioceses of Dublin and Glendalough and Kildare | | Monograph or Collective Volume | | 1950 |
| Calendar of fiants, Henry VIII to Elizabeth | Anonymous | Article in Book | | 1875 |
| Calendar of Irish material in ... Fondo di Vienna in Propaganda archives | | Article in Journal | | 1990 |
| Calendar of State Papers relating to Ireland. James I. 5 vols. | | Monograph or Collective Volume | [HMSO] | 1872 |
| Calendar of the state papers relating to Ireland in the reigns of Henry VIII, Edward VI, Mary, and Elizabeth, 1509-1603. 11 vols. | Atkinson, E. G. (Ernest George)Hamilton, H. C. (Hans Claude)Mahaffy, R. P. (Robert Pentland) | Monograph or Collective Volume | [HMSO] | 1860-1912 |
| Calendar of the state papers relating to Ireland of the reign of Charles I (and Commonwealth) 1625(-1660) preserved in the Public Record Office, [vols. 1-3] : 1625-1660; [vol. 4] : Adventurers for land. 1642-1659. 4 vols. | | Monograph or Collective Volume | [HMSO] | 1900 |
| Calendar of the state papers relating to Ireland [in the reign of Charles II] preserved in the Public Record Office. 1660-(70), with addenda, 1625-70. 4 vols. | | Monograph or Collective Volume | [HMSO] | 1905 |
| Canadian-Irish Relations during the Second World War | McEvoy, Fred J. | Article in Journal | | 1977 |
| Carew's survey of Ulster, 1611 : the voluntary works | | Article in Journal | | 1975 |
| Catalogue of an exhibition of Anglo-Jewish art and history in commemoration of the tercentenary of the resettlement of the Jews in the British Isles; held at the Victoria and Albert Museum ... from 6 January to 29 February 1956 | Victoria & Albert Museum | Monograph or Collective Volume | | 1956 |
| Catalogue of Irish manuscripts in the Royal Irish Academy. [28 fasc. and 2 index vols.] | | Monograph or Collective Volume | Royal Irish Academy|Hodges Figgis | 1926-1970 |
| Catalogue of Irish manuscripts in the University of Wisconsin-Madison | Buttimer, Cornelius G. | Monograph or Collective Volume | | 1989 |
| Catalogue of Irish material in vols. 370 and 371 of the Scritture riferite originali nelle congregazioni generali in Propaganda Archives | | Article in Journal | | 1985 |
| Catalogue of the Irish manuscripts in the library of Trinity College, Dublin | Abbott, T. K.Gwynn, E.J. (Edward John) | Monograph or Collective Volume | Hodges Figgis; Longmans Green | 1921 |
| Catalogue of the manuscripts remaining in Marsh's Library, Dublin | Scott, J. R. (John Russell)White, N. J. D. (Newport John Davis) | Monograph or Collective Volume | | 1913 |
| Catalogue of works on the peerage and baronetage of England, Scotland, and Ireland | Young, C. G. | Monograph or Collective Volume | | 1827 |
| Celebrating 21 years of living history in Drum : Drum Heritage from its humble beginnings : 21st anniversary souvenir book 1987-2008 | Drum Heritage Group (Drum, Roscommon, Ireland)Egan, Edward, | Monograph or Collective Volume | Drum Heritage Committee | 2008 |
| Centenary of a great Remonstrant | McLachlan, H. J. | Article in Journal | | 1962 |
| Charles Bianconi, a biography, 1786-1875 | O'Connell, M. A. | Monograph or Collective Volume | | 1878 |
| Chartularies of St Mary's abbey, Dublin; with the register of its house at Dunbrody, and annals of Ireland. 2 vols. | | Monograph or Collective Volume | | 1884 |
| Church of Saints Peter and Paul, Athlone : an illustrated history and guide | Murray, Patrick, 1935- | Monograph or Collective Volume | Saints Peter and Paul's Parish Forum/Pastoral Council | 2007 |
| Cín lae Ó Mealláin | | Article in Journal | | 1931 |
| Cistercian art and architecture in the British Isles | | Monograph or Collective Volume | | 1986 |
| Clár lámhscríbhinní Gaeilge Choláiste Ollscoile Chorcaí : cnuasach Thorna. 2 vols. in 1 | De Brún, Pádraig | Monograph or Collective Volume | Cló Bhréanainn | 1967 |
| Cogadh Gaedhel re Gallaibh : The War of the Gaedhill with the Gaill, or, the invasions of Ireland by the Danes and other Norsemen. The original Irish text edited, with translation and introduction | | Monograph or Collective Volume | | 1867 |
| Coins of Scotland, Ireland & the Islands (Jersey, Guernsey, Man & Lundy) | | Monograph or Collective Volume | | 1984 |
| Columba and other Irish saints in Scotland | Anderson, M. O. | Article in Book | | 1965 |
| Commissioners for inquiring into the conditions of the poorer classes in Ireland | Anonymous | Monograph or Collective Volume | | 1837 |
| Conall Corc and the Corcu Luigde | | Article in Book | | 1910 |
| Corpus iuris Hibernici : ad fidem codicum manuscriptorum recognovit | | Monograph or Collective Volume | Dublin Institute for Advanced Studies | 1978 |
| Correspondence of Irish interest in the Lettere in Propaganda archives : vol. 38 (1657-64) | | Article in Journal | | 1990 |
| Correspondence of Irish interest in the Lettere in Propaganda archives : vols 27-34 (1649-64) | | Article in Journal | | 1988 |
| Correspondence of Irish interest in the Lettere in Propaganda Archives, vol. 38 (1657-1664) | | Article in Journal | | 1990 |
| Council books of the corporation of Waterford, 1662-1700 | | Monograph or Collective Volume | | 1964 |
| Councils and ecclesiastical documents relating to Great Britain and Ireland | | Monograph or Collective Volume | | 1869 |
| Crede mihi : the most ancient register book of the archbishops of Dublin before the reformation | | Monograph or Collective Volume | | 1897 |
| Crichad an Chaoilli : being the Topography of ancient Fermoy | | Monograph or Collective Volume | | 1932 |
| Cronica regum Mannie & Insularum : Chronicle of the kings of Man and the Isles : BL Cotton Julius A.vii | | Monograph or Collective Volume | | 1979 |
| Cummian's Letter de Controversia Paschalia and the De Ratione Conputandi | | Monograph or Collective Volume | | 1988 |
| David Hume, historicist | Stevenson, D. R. | Article in Journal | | 1990 |
| Demna Aeóir : 'demons of the air' | Mills, Kristen | Article in Journal | | 2021 |
| Descendants of the Reverend Thomas Higginson | Higginson, T. B. | Monograph or Collective Volume | | 1958 |
| Dictionary of national biography | | Monograph or Collective Volume | | 1885 |
| Die deutsche Außenpolitik und die irische Frage von 1932 bis 1944 | Dickel, H. | Monograph or Collective Volume | | 1983 |
| Die Kildare-Gedichte : die ältesten mittelenglischen Denkmäler in Anglo-Irischer Überlieferung | | Monograph or Collective Volume | | 1904 |
| Disputatio apologetica de iure regni Hiberniae pro catholicis Hibernis contra haeriticos Anglos | O'Mahony, Conor | Monograph or Collective Volume | | 1645 |
| Documents on the affairs of Ireland before the king's council | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1979 |
| Doneraile papers : interim report | MacLysaght, Edward | Article in Journal | | 1944 |
| Douai College documents, 1639-1794 | | Monograph or Collective Volume | Catholic Record Society | 1972 |
| Dowdall deeds | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1960 |
| Dr. Campbell's diary of a visit to England in 1775. With an introduction by C. S. Roberts | | Monograph or Collective Volume | | 1947 |
| Dublin diocesan archives : Murray papers, 5 | Purcell, Mary | Article in Journal | | 1985 |
| Dublin Review. Index by subject from Vol. I, May, 1836 to vol. LII, Jan. 1863 | Anonymous | Monograph or Collective Volume | | 1864 |
| Early Catholic periodicals in England | Fletcher, J. R. | Article in Journal | | 1936 |
| Early medieval kingships in the British Isles | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1989 |
| Economy and society in Scotland and Ireland, 1500-1939 | | Monograph or Collective Volume | Donald | 1988 |
| Education reform : or the necessity of a national system of education, 1 | Wyse, Thomas, Sir, 1791-1862 | Monograph or Collective Volume | Longman, Rees, Orme, Brown, Green, & Longman | 1836 |
| Eighteenth century Irish official papers in Great Britain : private collections, 2 | | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1990 |
| Éire-Ireland : a comprehensive index 1966-1988 | | Monograph or Collective Volume | | 1992 |
| Elizabethan Ireland : a selection of writings by Elizabethan writers on Ireland | | Monograph or Collective Volume | Archon Books | 1983 |
| England and her neighbours, 1066-1453 : essays in honour of Pierre Chaplais | | Monograph or Collective Volume | Hambledon | 1989 |
| England and the Italian war of 1859 | Simpson, F. A. | Article in Journal | | 1962 |
| England from a back window : with views of Scotland and Ireland | Bailey, J. M. | Monograph or Collective Volume | | 1879 |
| Essays on England, Ireland and the Empire. Introduction by Joseph Hamburger | | Monograph or Collective Volume | | 1982 |
| Everyday life of the pagan Celts | Ross, Anne | Monograph or Collective Volume | | 1970 |
| Evils of the state of Ireland. | Revans, John | Monograph or Collective Volume | | 1837 |
| Exhibitio consolatoria tabulae emblematicae serenissimae principi Isabellae | Anonymous | Monograph or Collective Volume | | 1622 |
| Expugnatio Hibernica : the conquest of Ireland by Giraldus Cambrensis. Edited with translation [from the Latin] and historical notes | | Monograph or Collective Volume | | 1978 |
| Extents of Irish monastic possessions, 1540-1541, from manuscripts in the Public Record Office, London | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1943 |
| Extracts from the journal of Thomas Dinely (1681) | | Article in Journal | | 1867 |
| Extracts from the journal of Thomas Dinely (1681) | | Article in Journal | | 1913 |
| Fabian Ryan, O.P., postulated as bishop by clergy and laity of Cashel and of Emly 1652 | | Article in Journal | | 1988 |
| Family names from the Irish, Anglo-Saxon, Anglo-Norman and Scotch considered in relation to their etymology | Gentry, T. G. | Monograph or Collective Volume | | 1892 |
| Famous British frosts and skating winters, 1878-1945 | Spink, P. C. | Article in Journal | | 1947 |
| Famous snowstorms, 1878-1945 | Spink, P. C. | Article in Journal | | 1947 |
| Father Mathew; a biography | Maguire, J. F. | Monograph or Collective Volume | | 1863 |
| Fenianism and the rise of national feeling in Canada at the time of confederation. | Stacey, Charles Perry | Article in Journal | | 1931 |
| Fenians and Anglo-American Relations during Reconstruction | Jenkins, Brian A. | Monograph or Collective Volume | Cornell University Press | 1969 |
| Fifty years of railway life in England, Scotland and Ireland. | Tatlow, J. | Monograph or Collective Volume | | 1948 |
| Flannacán mac Cellaich rí Breg hoc carmen | | Article in Journal | | 1949 |
| Flight from famine : the coming of the Irish to Canada | MacKay, Donald | Monograph or Collective Volume | M & S | 1991 |
| Four letters of Father James White, O.F.M. of Clonmel, 1668-79 | | Article in Journal | | 1976 |
| Franco-Irish correspondence : December 1688 - February 1692, 1 | | Monograph or Collective Volume | | 1983 |
| Franco-Irish correspondence, 1688-91 | | Article in Journal | | 1959 |
| From early to late: uncovering medieval Ferns....recent excavations... | McLoughlin, Catherine | Article in Journal | | 2020 |
| Gaelic in Nova Scotia | Sinclair, D. M. | Article in Journal | | 1950 |
| Geschichte der Freimauererei in England, Irland und Schottland | Kloss, Georg | Monograph or Collective Volume | | 1971 |
| Giraldus Cambrensis in Topographia Hibernie : text of the first recension | | Article in Journal | | 1949 |
| Glossary of the most common Gaelic words and corrupted forms of Gaelic used in the Ordnance Survey maps | [Mathieson, J.] | Monograph or Collective Volume | | 1905 |
| Great Britain's Solomon : James VI and I in his three kingdoms | Lee, Maurice, jr. | Monograph or Collective Volume | | 1990 |
| Guide to the archives of the Office of Public Works | Lohan, Rena | Monograph or Collective Volume | The Stationery Office | 1994 |
| Harold G. Leask : aspects of his work as Inspector of National Monuments | Carey, Anne | Article in Journal | | 2003 |
| Hiberniae delineatio | Petty, William, Sir, 1623-1687 | Monograph or Collective Volume | | 1685 |
| Hibernica, or, some antient pieces relating to Ireland...2 vols. | | Monograph or Collective Volume | | 1747 |
| Highlanders, Irishmen, and the Land Question in Nineteenth Century Prince Edward Island | Robertson, Ian Ross | Article in Book | | 1977 |
| Highlanders, Irishmen, and the Land Question in Nineteenth Century Prince Edward Island | Robertson, Ian Ross | Article in Book | | 1977 |
| Historiography : an annotated bibliography of journal articles, books and dissertations. 2 vols. | | Monograph or Collective Volume | | 1987 |
| History of the Irish College, Paris, 1578-1800 : Calendar of the papers of the Irish College, Paris | Swords, L. | Article in Journal | | 1980 |
| History of the origin and progress of the Irish Society, established for ... the education of the native Irish, through the medium of their own language | Mason, H. J. M. | Monograph or Collective Volume | | 1844 |
| Humfrey Owen's account of the seigniory of Castleisland in 1686 | | Article in Journal | | 1978 |
| Impediments to the prosperity of Ireland | Hancock, W. N. | Monograph or Collective Volume | | 1850 |
| Imperial Britain | Marshall, Peter James | Article in Journal | | 1995 |
| Imperial Britain : The Creighton Lecture 7 November 1994 | Marshall, Peter James | Monograph or Collective Volume | | 1994 |
| Imperialism and its Legacy : Issues and Perspectives | | Monograph or Collective Volume | | 1990 |
| Imtheacht an dá nónbhar agus tóraigheacht Taise Taobhghile | | Monograph or Collective Volume | | 1954 |
| Incidents recalled : or sketches from memory of the ... Irish Volunteers : the rebellion of 1798 ... | Grimshaw, William | Monograph or Collective Volume | | 1848 |
| Index to "Liber munerum publicorum Hiberniae" | [Lascelles, Rowley] | Article in Book | | 1877 |
| Index to Clonfert and Kilmacduagh wills | | Monograph or Collective Volume | The editor | 1977 |
| Index to Kilmore diocesan wills | | Monograph or Collective Volume | [s.n.] | 1975 |
| Index to the manuscripts of military interest in the National Library of Ireland | | Article in Journal | | 1954 |
| Initium, incrementa, et exitus familiae Geraldinorum ... ac persecutionis haereticorum descriptio | O'Daly, Dominic | Monograph or Collective Volume | | 1655 |
| Inquisitions of 1224 from the 'Miscellanea of the Exchequer' | | Article in Journal | | 1972 |
| Inquisitionum in officio rotulorum cancellariae Hiberniae asservatarum repertorium. 1 : Province of Leinster; 2 : Province of Ulster. 2 vols. | | Monograph or Collective Volume | | 1826 |
| Internal colonialism : the Celtic fringe in British national development, 1536-1966 | Hechter, M. | Monograph or Collective Volume | Routledge & Kegan Paul | 1975 |
| Into all the World : A history of 150 years of the Overseas work of the Presbyterian Church in Ireland | | Monograph or Collective Volume | | 1990 |
| Ireland and Irish-Australia : studies in cultural and political history | | Monograph or Collective Volume | | 1986 |
| Ireland before the Norman invasion | Byrne, Francis John, 1934-2017 | Article in Journal | | 1968 |
| Ireland from Grattan's Parliament to the Great Famine, 1783-1850; a documentary record | | Monograph or Collective Volume | Fallon | 1949 |
| Ireland from the flight of the earls to Grattan's parliament (1607-1782) : a documentary record | | Monograph or Collective Volume | Fallon | 1949 |
| Ireland preserv'd, and the Protestant interest defended; in the year 1689 | Michelborne, John | Monograph or Collective Volume | | 1707 |
| Ireland under Elizabeth and James the first, described by Edmund Spenser, by Sir John Davies, ... and by Fynes Moryson | | Monograph or Collective Volume | | 1890 |
| Ireland's advocate; or a sermon preached November 14th, 1641, to promote the contributions by way of lending, for the present reliefe of the Protestants party in Ireland ... | Anonymous | Monograph or Collective Volume | | 1641 |
| Ireland's debt to the Huguenots | Knox, S. J. | Monograph or Collective Volume | A.P.C.K. | 1959 |
| Ireland's declaration, being a remonstrance of the generality of the good people of Ireland. (Dublin, Tuesday, March 13, 1649) | Anonymous | Monograph or Collective Volume | | 1649 |
| Ireland's hour | [Grant, Henry] | Monograph or Collective Volume | | 1850 |
| Ireland, considered as a field for investment or residence | Webster, W. B. | Monograph or Collective Volume | | 1852 |
| Irische Handschriftenüberlieferung auf der Reichenau | Autenrieth, Johanne | Article in Book | | 1982 |
| Irish catholic petition of 1805 : the diary of Denys Scully | | Monograph or Collective Volume | | 1992 |
| Irish Committee of Historical Sciences Bulletin, numbers 34-58 : table of contents and index to contributors | Irish Committee of Historical Sciences | Monograph or Collective Volume | | 1948 |
| Irish culture in the seventh century : a recent book by a Belgian scholar | Henry, Françoise, 1902-1982 | Article in Journal | | 1948 |
| Irish historical documents since 1800 | | Monograph or Collective Volume | Gill & Macmillan | 1992 |
| Irish Historiography, 1970-79 | | Monograph or Collective Volume | Cork University Press | 1981 |
| Irish History from 1700 : A Guide to Sources in the Public Record Office | Prochaska, Alice | Monograph or Collective Volume | British Records Association | 1986 |
| Irish history from contemporary sources (1509-1610) | | Monograph or Collective Volume | | 1923 |
| Irish immigrants and the critical years in eastern Ontario : the case of Montague township, 1821-1851 | Lockwood, G. J. | Article in Book | | 1989 |
| Irish Jacobites : lists from Trinity College Dublin Ms.N. 1. 3 | | Article in Journal | | 1960 |
| Irish Jesuit archives | O'Donoghue, Fergus, SJ | Article in Journal | | 1986 |
| Irish litanies : texts and translation | | Monograph or Collective Volume | | 1925 |
| Irish Manuscripts Commission survey of business records | Cullen, L. M. (Louis Michael) | Article in Journal | | 1983 |
| Irish Organs and Reversible Nationalism : the Irish-Australian and Irish Australia, 1894-5 | McLachlan, Noel | Article in Book | | 1989 |
| Irish peasant women in revolt : the Land League years | Tebrake, J. K. | Article in Journal | | 1992 |
| Irish poets, historians, and judges in English documents, 1538-1615 | | Article in Journal | | 1921 |
| Irish political documents, 1869-1916 | | Monograph or Collective Volume | Irish Academic Press | 1989 |
| Irish settlement and identity in South Africa before 1910 | McCracken, Donal P. | Article in Journal | | 1992 |
| Irish Settlements in Eastern Canada : A Study of Cultural Transfer and Adoption | Mannion, J. J. | Monograph or Collective Volume | University of Toronto Press | 1974 |
| Irish treasures of the John Rylands Library, Manchester | Wallwork, Janet | Article in Journal | | 1991 |
| Irish troop movements and James II's army in 1688 | Melvin, Patrick | Article in Journal | | 1971 |
| Irishmen in the Forty-Five | Petrie, Charles Alexander, Sir | Article in Journal | | 1956 |
| Irishmen ordained at Prague, 1629-1786 | Hösler, Matthäus | Article in Journal | | 1991 |
| Irlande | Gwynn, Aubrey | Article in Book | | 1960 |
| Iroschottische und angelsächsische Wanderkulte in Westfalen mit Ausblicken auf den gesamtdeutschen Raum | Schreiber, Georg von | Article in Book | | 1950 |
| Italy and Ireland in the 19th century : contacts and misunderstandings between two national movements | D'Angelo, G. | Monograph or Collective Volume | St Paul's | 1975 |
| Itinerarium Symonis Simeonis ab Hybernia ad Terram Sanctam. (translated) | Symon Simeonis | Article in Book | | 1952 |
| James II : a study in kingship. | Miller, John | Monograph or Collective Volume | | 1989 |
| Jews in the British Isles : exhibition [held at] Leeds City Art Gallery, 27 Nov.-9 Dec. | Anonymous | Monograph or Collective Volume | | 1956 |
| John Hooker's journal of the Irish parliament, 17 Jan.-23 Feb. 1569 | | Article in Journal | | 1904 |
| Joseph Savory of Montpellier and his descendants | Savory, D. L. | Article in Journal | | 1947 |
| Journal of the three months royal campaign of his majesty in Ireland | Mullenaux, Samuel | Monograph or Collective Volume | | 1690 |
| Journals of the House of Commons of the kingdom of Ireland from the 18th May 1613 to the 2nd August 1800. 19 vols. in 21. | Anonymous | Monograph or Collective Volume | | 1796 |
| Journals of the House of Lords [of Ireland], Vol. 1 (1634-98); vol. 2 (1703-25); vol. 3 (1727-1752); vol. 4 (1753-1776); vol. 5 (1776-1786); vol. 6 (1787-1791); vol. 7 (1792-1797); vol. 8 (1798-1800). 8 vols. | Anonymous | Monograph or Collective Volume | | 1779 |
| Journey of an abbey, 1292-1972 : history of the Augustinians in Dungarvan | Butler, T. C. | Monograph or Collective Volume | Good Counsel Press | 1973 |
| Kildare : The home of artillery | McLoughlin, Mark | Article in Journal | | 2014 |
| Kingship, genealogies and regnal lists | Dumville, David N. | Article in Book | | 1977 |
| L'Empire britannique, son évolution politique et constitutionelle | Magnan de Bornier, J. | Monograph or Collective Volume | | 1930 |
| L'Évolution de l'Empire britannique, 2 vols. | Chevalier, Jean Jacques | Monograph or Collective Volume | | 1931 |
| L'évolution politique de l'Angleterre moderne, 1485-1660 | Braure, MauriceCahen, Lëon | Monograph or Collective Volume | | 1960 |
| L'expédition de Niall aux neuf Otages en Gaule et la trésor de Traprainlaw | Loth, Joseph | Article in Journal | | 1926 |
| La conversione al cristianesimo dei celti insulari e le sue repercussioni nel continente | Bieler, Ludwig | Article in Book | | 1967 |
| La sublevación de Shane O'Neil contra Isabel de Inglaterra | Fernández, M. | Article in Journal | | 1950 |
| Lady Gregory's Journals 1916-1930 | | Monograph or Collective Volume | | 1947 |
| Lámhscríbhinní Gaeilge Choláiste Phádraig, Má Nuad: Clár, [fasc. II-VI]; Liosta na gcéadlínte: fasc VII; Index ginearálta: fasc VIII. | Ó Fiannachta, Pádraig | Monograph or Collective Volume | An Sagart | 1973 |
| Land, people and politics : a history of the land question in the United Kingdom, 1878-1952 | Douglas, Roy | Monograph or Collective Volume | Allison and Busby | 1976 |
| Landowners in Scotland, Ireland and Denmark in the age of improvement | Smout, Thomas Christopher | Article in Journal | | 1987 |
| Langlandian economics in James Yonge's Gouernaunce : translation and ethics in fifteenth-century Dublin | Fox, Hilary E. | Article in Book | | 2014 |
| Later Victorian Britain | | Monograph or Collective Volume | | 1988 |
| Le visioni di S. Fursa | | Article in Journal | | 1984 |
| Leaves from the journal of our life in the Highlands, from 1848 to 1861. To which are prefixed and added extracts from the same journal giving an account of earlier visits to Scotland and tours in England and Ireland, and yachting excursions | Helps, Arthur, Sir, 1813-1875Victoria, queen, 1819-1901 | Monograph or Collective Volume | | 1868 |
| Lebor na Cert | | Monograph or Collective Volume | Educational Company of Ireland | 1962 |
| Legal history studies 1972 : papers presented to the Legal History Conference, Aberystwyth, 18-21 July 1972 | | Monograph or Collective Volume | | 1975 |
| Les Îles britanniques et la Révolution française, 1789-1803 | Dechamps, S. | Monograph or Collective Volume | | 1949 |
| Les irlandais et la bataille de Carillon | Chapais, Thomas | Article in Journal | | 1911 |
| Letters and Leaders of My Day. 2 vols. | Healy, Timothy M. | Monograph or Collective Volume | | 1928 |
| Letters from Connaught to a Wild Goose | De Breffny, Brian | Article in Journal | | 1978 |
| Letters from Georgian Ireland : the correspondence of Mary Delany, 1731-1768 | | Monograph or Collective Volume | | 1991 |
| Letters of Lord Longford and others on Irish affairs, 1687-1702 : Ellis Papers, BL MS | | Article in Journal | | 1985 |
| Letters written by Arthur Capel, earl of Essex, lord lieutenant of Ireland, in ... 1675 to which is prefixed an historical account of his life, and deplorable death | Anonymous | Monograph or Collective Volume | | 1770 |
| Liber exemplorum ad usum praedicantium, saeculo XIII compositus a quodam fratre minore Anglico de provincia Hiberniae, secundum codicem Dunelmensem | | Monograph or Collective Volume | | 1908 |
| Liber primus Kilkenniensis : the earliest of the books of the Corporation of Kilkenny now extant | | Monograph or Collective Volume | | 1931 |
| Life of Lieut.-General Hugh Mackay [1640?-92] | MacKay, J. | Monograph or Collective Volume | | 1836 |
| Link in the chain : the story of the Irish Housewives Association, 1942-1992 | Tweedy, Hilda | Monograph or Collective Volume | | 1992 |
| List of books and articles on agrarian history issued since June 1971 | | Article in Journal | | 1973 |
| List of books and pamphlets on agrarian history 1986 | | Article in Journal | | 1987 |
| List of books and pamphlets on agrarian history, 1991 | Morris, V. J.Orton, D. J. | Article in Journal | | 1992 |
| List of publications on the economic and social history of Great Britain and Ireland published in 1978 | | Article in Journal | | 1979 |
| Little woman | Armytage, W. H. G. | Article in Journal | | 1949 |
| Lives of saints from the Book of Lismore | Stokes, Whitley | Monograph or Collective Volume | | 1890 |
| Londonderry beseiged [sic] by General Hamilton and Conrard [sic] de Rosen, Mareschall Generall of all the Irish forces, 1689 | Maculloch, Archibald, Capt. | Monograph or Collective Volume | | 1689 |
| Lord Kilmallock's letters to his wife | Simms, J. G. (John Gerald) | Article in Journal | | 1957 |
| Lord Shannon's letters to his son : a calendar of the letters written by the 2nd earl of Shannon to his son, viscount Boyle, 1790-1802 | | Monograph or Collective Volume | | 1982 |
| Lord Willoughby de Broke and the politics of radical toryism, 1909-1914 | Phillips, G. D. | Article in Journal | | 1980 |
| Lough Gur excavations : Carrig Aille and the "Spectacles" | Ó Ríordáin, S. P. | Article in Journal | | 1949 |
| Loyalty and humanity, or a variety of scenes which a clergyman of the established church and his family evinced and came through in a disturbed part of Ireland ... | McKay, James, Rev. | Monograph or Collective Volume | | 1803 |
| Lucius Cary, 2nd Viscount Falkland (c. 1610-1643) | Biggs-Davison, John | Article in Book | | 1952 |
| Mannix, de Valera and Irish nationalism | Keogh, Dermot | Article in Book | | 1991 |
| Manuscript collections in private keeping : reports in the National Library | Anonymous | Article in Journal | | 1966 |
| Manuscript creation in Dublin : the scribe of Bodleian e. Museo MS 232 and Longleat MS 29 | O'Byrne, Theresa | Article in Book | | 2014 |
| Manuscript sources for the history of Irish civilisation. 11 vols. | | Monograph or Collective Volume | | 1965 |
| Manuscripts and incunabula in the library of San Clemente | Boyle, Leonard E. | Article in Book | | 1978 |
| Manuscripts of the right honourable Lord Talbot de Malahide, Malahide Castle, Co. Dublin | Gilbert, J. T. (John Thomas), Sir, 1829-1898 | Article in Book | | 1883 |
| Maps and plans for the local historian and collector - a guide to types of maps of the British Isles produced before 1914 valuable to local and other historians and mostly available to collectors | Smith, David | Monograph or Collective Volume | | 1988 |
| Maps of the escheated counties in Ireland, 1609 | | Monograph or Collective Volume | | 1861 |
| Maria Edgeworth, 1767-1849. A bibliographical tribute | Slade, B. C. | Monograph or Collective Volume | Constable | 1937 |
| Marianus Scotus : scribe and monastic founder | Dilworth, Mark, 1924-2004 | Article in Journal | | 1965 |
| Marriage entries in the registers of the parishes of St Marie, St Luke, St Catharine and St Werburgh, 1627-1800 | | Monograph or Collective Volume | | 1915 |
| Material used in Calendar of documents relating to Ireland | Hand, Geoffrey Joseph | Article in Journal | | 1960 |
| Materials for the Dublin Society agricultural survey of County Louth | | Article in Journal | | 1975 |
| Me Guidhir Fearmanach, The Maguires of Fermanagh | | Monograph or Collective Volume | | 1917 |
| Medieval Meath manuscripts | O'Sullivan, William, 1921-2000 | Article in Journal | | 1985 |
| Memoir of the life and military services of Viscount Lake, Baron Lake of Delhi and Laswaree, 1744-1808 | Pearse, H. W. | Monograph or Collective Volume | | 1908 |
| Memorandum on the destruction and reconstruction of the records | Anonymous | Article in Book | | 1922 |
| Merchants in plenty : Joseph Smyth's Belfast directories of 1807 and 1808 : with an historical introduction and bibliography of Belfast directories to 1900 | Adams, J. R. R. | Monograph or Collective Volume | | 1991 |
| Mid-century Scottish nationalism : romantic and radical | Hanham, H. J. | Article in Book | | 1967 |
| Morands Fürstenspiegel (Audacht Moraind) | | Article in Journal | | 1917 |
| More Penn correspondence : Ireland 1669-70 | | Article in Journal | | 1949 |
| Moutray of Seafield and Roscobie, now of Favour Royal, Co. Tyrone : an historical and genealogical memoir of the family in Scotland, England, Ireland and America | Massue de Ruvigny, Melville Amadeus Henry Douglas Heddle de la Caillemotte de, Marquis de Ruvigny et Raineval | Monograph or Collective Volume | | 1902 |
| Mrs. Delany : an eighteenth-century Handelian | Myers, R. M. | Article in Journal | | 1946 |
| Music in the British Isles, 1700-1800 : a bibliography of literature | Pickering, Jennifer M. | Monograph or Collective Volume | | 1990 |
| Mythical Ireland : new light on the ancient past (revised and expanded version) | Murphy, Anthony | Monograph or Collective Volume | The Liffey Press | 2021 |
| National Commercial Bank of Scotland Ltd. | Anonymous | Article in Journal | | 1969 |
| National libraries of the world : their history, administration and public services | Esdaile, Arundell James Kennedy | Monograph or Collective Volume | | 1934 |
| Newspaper writings, December 1822 - July 1831 | | Monograph or Collective Volume | | 1986 |
| Newspaper writings, December 1847 - July 1873. The collected works of John Stuart Mill | | Monograph or Collective Volume | | 1986 |
| Newspaper writings, January 1835 - June 1847 | | Monograph or Collective Volume | | 1986 |
| Nineteenth Century Irish Emigration : a Case Study using Passenger Lists | Mageean, Deirdre M. | Article in Book | | 1985 |
| North country bishop : a biography of William Nicolson | James, F. G. | Monograph or Collective Volume | | 1957 |
| Northern Ireland, 1921-1974 : a select bibliography | Deutsch, Richard | Monograph or Collective Volume | Garland Publishing | 1975 |
| Notes on the Laud genealogies | Mac Neill, John | Article in Journal | | 1912 |
| Notice of a stamp uesd by a Roman oculist or empiric discovered | Way, Albert | Article in Journal | | 1850 |
| Notices sur les établissements religieux anglais, écossais et irlandais fondés à Paris avant la Révolution | Daumet, Georges | Article in Journal | | 1912 |
| O'Conor's house at Cloonfree | Quiggin, E. C.Ó Dálaigh, Áongus Rúadh | Article in Book | | 1913 |
| O'Sullivan Beare in Spain : some unpublished documents | Walsh, M. K. | Article in Journal | | 1990 |
| Obligationes pro annatis diocesis Rossensis. [1432-1533] | | Article in Journal | | 1970 |
| Observations on the famine of 1846-7, in the Highlands of Scotland and in Ireland | Alison, W. P. | Monograph or Collective Volume | | 1847 |
| Observations on the social habits and dialect of the baronies of Forth and Bargy (commonly called "The English Baronies" in the County of Wexford). By 'an officer of the line' | | Article in Journal | | 1834 |
| Occupants of Ormond houses in Clonmel, 1641 and 20 year later | Marescaux de Saubruit, Geoffrey | Article in Journal | | 1978 |
| Occupants of Ormond houses, Kilkenny, 1641 & 20 years later | Marescaux de Saubruit, Geoffrey | Article in Journal | | 1977 |
| Oireachtas library, list of outlaws, 1641-7 | | Article in Journal | | 1966 |
| Old parochial registers of Scotland : references to parishes from Ireland | Whyte, Donald | Article in Journal | | 1973 |
| Old ways and new in history | Keir, D. L. | Article in Journal | | 1966 |
| On a manuscript description of the city and county of Cork, circa 1685, written by Sir Richard Cox. With notes by T.A. Lunham | | Article in Journal | | 1902 |
| On the bogs and loughs of Ireland | King, William, archbishop of Dublin | Article in Journal | | 1685 |
| Original documents and early charters relating to the county and city of Cork | | Article in Journal | | 1865 |
| Original letters and papers in illustration of the history of the church in Ireland during the reigns of Edward VI, Mary and Elizabeth | | Monograph or Collective Volume | | 1851 |
| Our land, our language | Ervine, Linda | Article in Book | Gael Linn | 2015 |
| Ourselves Alone : Women's Emigration from Ireland, 1885-1920 | Nolan, Janet | Monograph or Collective Volume | | 1989 |
| Pagan Celtic Britain : studies in iconography and tradition | Ross, Anne | Monograph or Collective Volume | Routledge & Kegan Paul | 1967 |
| Pairlement Chloinne Tomáis | | Article in Journal | | 1912 |
| Papers of Anthony Gearnon, O.F.M. | | Article in Journal | | 1964 |
| Papers of Richard Joachim Hayes, O.F.M., 1810-1824, in Franciscan Library, Killiney : part 7, July 1817 | | Article in Journal | | 1988 |
| Papers of Richard Joachim Hayes, O.F.M., 1810-24, in Franciscan Library, Killiney, 6 : April-June 1817 | | Article in Journal | | 1985 |
| Papers of Richard Joachim Hayes, OFM, 1810-1824, in the Franciscan Library, Killiney : part 8, August-December 1817 | Giblin, Cathaldus | Article in Journal | | 1988 |
| Parnell and the Parnells. A historical sketch | Johnston, R. | Monograph or Collective Volume | | 1888 |
| Particulars relative to Wexford and the barony of Forth, by Colonel Solomon Richards, 1682 | | Article in Journal | | 1862 |
| Paternalism and politics : Sir Francis Bond Head, the Orange order and the election of 1836 | Cadigan, Sean T. (Sean Thomas), 1962- | Article in Journal | | 1991 |
| People and pins in Dark Age Scotland | Laing, L. R. | Article in Journal | | 1973 |
| Pictish and Celtic marriage in early literary tradition | Chadwick, Nora Kershaw, 1891-1972 | Article in Journal | | 1955 |
| Pieces of the past : archaeological excavations by the Department of the Environment for Northern Ireland, 1970-1986 | | Monograph or Collective Volume | | 1988 |
| Plan and source analysis of Das Bibelwerk - Old Testament | McNamara, Martin | Article in Book | | 1987 |
| Pocket book of English ceramic marks, and those of Wales, Scotland and Ireland, in collaboration with W.B. Honey | | Monograph or Collective Volume | | 1959 |
| Poems from the Book of the Dean of Lismore, with a catalogue of the book and indexes | | Monograph or Collective Volume | Cambridge University Press | 1937 |
| Poetry as politics : a view of the present state of The Faerie Queene | Canny, Nicholas P. | Article in Book | NA | 1999 |
| Policing the empire : government, authority and control, 1830-1940 | | Monograph or Collective Volume | Manchester University Press | 1991 |
| Post-medieval Britain in 1974 | Cherry, John | Article in Journal | | 1975 |
| Private sources for economic and social history | Cullen, L. M. (Louis Michael) | Article in Journal | | 1972 |
| Proclamation against Patrick MacCowan, priest, 16 July 1583 | | Article in Journal | | 1983 |
| Property and politics : essays in later medieval English history | | Monograph or Collective Volume | Sutton | 1984 |
| Pseudo-Cyprian De Duodecim Abusivis Saeculi and the Bible | Breen, Aidan | Article in Book | | 1987 |
| Quakerism and the Cromwellian army in Ireland | Carrol, K. L. | Article in Journal | | 1978 |
| Queries concerning the lawfulnesse of the present cessation | Walsh, Peter | Monograph or Collective Volume | | 1648 |
| Rage or raillery : the Swift manuscripts at the Huntington Library | Mayhew, G. P. | Monograph or Collective Volume | | 1967 |
| Realities of Irish life | Trench, W. S. | Monograph or Collective Volume | | 1868 |
| Recent geographical literature relating to Ireland (1991) | Anonymous | Article in Journal | | 1992 |
| Regimental marches. English regiments with Scottish, Irish and foreign airs | Paine, J. | Article in Journal | | 1934 |
| Registry of Deeds, Dublin : abstracts of wills, 1 : 1708-45; 2 : 1746-85 | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1956 |
| Regnum Corcagiense; or a description of the kingdom of Cork. | Cox, RichardDay, Robert, 1746-1841 | Article in Journal | | 1902 |
| Remarks on a Trim groat marked B on the obverse | Parsons, H. A. | Article in Journal | | 1947 |
| Reminiscences of the 'Fenian raid'. | Hunter, Charles | Article in Journal | | 1911 |
| Rent roll of the earl of Ardglass, 1669 | | Article in Journal | | 1985 |
| Rental of Gerald, earl of Kildare, A.D. 1518 | | Article in Book | | 1884 |
| Report from J.T. Gilbert on documents at Limerick | Royal Commission on Historical Manuscripts | Article in Book | | 1870 |
| Report of the deputy keeper of the records for the year 1924 [etc.] | Public Record Office of Northern Ireland | Monograph or Collective Volume | | 1925 |
| Report on documents relating to the wardenship of Galway | MacLysaght, Edward | Article in Journal | | 1944 |
| Report on manuscripts of the corporation of Waterford | Royal Commission on Historical Manuscripts | Article in Book | | 1870 |
| Report on the archives of the municipal corporation of the city of Dublin | Royal Commission on Historical Manuscripts | Article in Book | | 1870 |
| Report on the records of the corporation of Cork, and the collections of Thomas Hewitt, Esq., and Richard Caulfield, LL.D., Cork | Royal Commission on Historical Manuscripts | Article in Book | | 1870 |
| Report to the Historical MSS. Commission on the records of the corporation of Kilkenny | Royal Commission on Historical Manuscripts | Article in Book | | 1870 |
| Reports of select cases in the court of chancery in Ireland, principally in the time of Lord Lifford : with cases determined in the other superior courts during the same period. Edited from the notes of John Wallis | Lyne, James | Monograph or Collective Volume | | 1839 |
| Reports of the Deputy Keeper of the Public Records and Keeper of the State Papers in Ireland | Public Record Office, Ireland | Monograph or Collective Volume | | 1869 |
| Rerum Hibernicarum scriptores veteres. 4 vols | O'Conor, Charles | Monograph or Collective Volume | | 1814 |
| Research on Irish history in British and American universities, 1952-53 | Anonymous | Article in Journal | | 1953 |
| Research on Irish history in Irish universities, 1945-6, 1946-7, 1947-8 | Anonymous | Article in Journal | | 1948 |
| Research on Irish history in Irish universities, 1948-51 | Anonymous | Article in Journal | | 1950 |
| Research on Irish history in Irish universities, 1951-52, 1952-53, 1953-54 | Anonymous | Article in Journal | | 1954 |
| Research on Irish History in Irish universities, 1959-61 | Anonymous | Article in Journal | | 1961 |
| Rotulus pipae Clonensis | | Monograph or Collective Volume | | 1859 |
| Sages, saints and storytellers : Celtic studies in honour of Professor James Carney | | Monograph or Collective Volume | An Sagart | 1989 |
| Sancti Columbani opera | | Monograph or Collective Volume | Institute for Advanced Studies | 1957 |
| Scandinavian place-names of the Irish sea province | Fellows Jensen, Gillian | Article in Book | | 1992 |
| Scotichronicon ... cum ... continuatione [by Walter Bower]. 5 vols. | Fordun, Johannis deHearne, Thomas | Monograph or Collective Volume | | 1722 |
| Scotland and Ireland, 1600-1800 : their role in the evolution of British society | Cullen, L. M. (Louis Michael) | Article in Book | | 1989 |
| Scotland and Ireland, 1742-1789 | Lenman, Bruce | Article in Book | | 1990 |
| Scottish and Irish metalwork and the 'conspiratio barbarica' | Laing, JenniferLaing, Lloyd | Article in Journal | | 1986 |
| Scottish and Irish soldiers of fortune in Russia | Harrison, E. | Article in Journal | | 1944 |
| Select bibliography of publications on Irish politics during 1991 | Coakley, JohnEnglish, Richard, 1963- | Article in Journal | | 1992 |
| Select bibliography of writings on Irish economic and social history published in 1975 | | Article in Journal | | 1976 |
| Select bibliography of writings on Irish economic and social history published in 1986 | | Article in Journal | | 1987 |
| Select Documents III. Agreement between Ó Domhnaill and Tadgh Ó Conchobhair concerning Sligo Castle (23 June 1539) | | Article in Journal | | 1943 |
| Select Documents IV. Edward Walshe's 'Conjectures' concerning the state of Ireland [1552] | | Article in Journal | | 1947 |
| Select documents XL : An address to Aodh Ó Domhnaill in captivity, 1590 | | Article in Journal | | 1986 |
| Select documents XLI. Johann Friedrich Hering's description of Connacht, 1806-1807 | | Article in Journal | | 1987 |
| Select Documents XVI. The Irish wine trade, 1614-15 | | Article in Journal | | 1955 |
| Select documents XXXII. The I.R.B. supreme council 1868-78 | | Article in Journal | | 1975 |
| Select documents XXXVII. The campaign against the Scots in Munster, 1317 | | Article in Journal | | 1985 |
| Selections from old Kerry records | Hickson, M. A. | Monograph or Collective Volume | | 1872 |
| Seven Irish documents from the Inchiquin archives | | Article in Journal | | 1970 |
| Seventeenth-century hearth-money rolls with full transcript relating to Co. Sligo | | Article in Journal | | 1967 |
| Seventh report of the Royal Commission on Historical Manuscripts, with appendix and index . 2 pts. [C. 2340; C. 2340-i] | Royal Commission on Historical Manuscripts | Monograph or Collective Volume | | 1879 |
| Showtime : the inside story of Fianna Fáil in power | Leahy, Pat | Monograph or Collective Volume | Penguin Ireland | 2009 |
| Silva gadelica : a collection of tales in Irish. 2 vols. | | Monograph or Collective Volume | Williams & Norgate | 1892 |
| Sir Charles Wogan and the Oran campaign | Lasok, K. P. E. | Article in Journal | | 2025 |
| Sir Richard Grenville, governor of Trim : the career and character of an English soldier in Ireland, 1642-3 | Miller, Amos Calvin | Article in Journal | | 1973 |
| Sir Thomas Stucley, c 1525-78 : traitor extraordinary | Izon, John | Monograph or Collective Volume | Andrew Melrose | 1956 |
| Six unpublished letters of Charles Stewart Parnell | | Article in Journal | | 1983 |
| Some documents on Irish law and custom in the sixteenth century | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1970 |
| Some English, Scottish, Welsh and Irish arms in medieval continental rolls | Collins, S. M. | Article in Journal | | 1941 |
| Some Linguistic Evidence Relating to the British Church | Greene, David | Article in Book | | 1968 |
| Some notes on the early British church | Best, W. S. | Article in Journal | | 1949 |
| Some Scottish bishops and ministers in the Irish Church, 1605-35 | Barkley, John M. | Article in Book | | 1967 |
| Some unpublished letters of Mateo de Oviedo, archbishop of Dublin | | Article in Journal | | 1955 |
| Some verses of Tadhg Ó Cearbhaill | | Article in Journal | | 1982 |
| Speculum matrics Hybernicum; or, the Irish midwives handmaid | Wolveridge, James | Monograph or Collective Volume | | 1670 |
| Spinning the Dúchas story? | Cooney, Gabriel | Article in Journal | | 2003 |
| Spoken English in Ireland, 1600-1740 : twenty-seven representative texts | Bliss, Alan J. | Monograph or Collective Volume | Cadenus Press | 1979 |
| St Catherine's Church & graveyard project | Killybegs Community Response Scheme | Monograph or Collective Volume | Killybegs Community Response Scheme | 2008 |
| St John the Baptist National School Midleton : a history | O'Keeffe, Alison | Monograph or Collective Volume | St. John the Baptist National School | 2008 |
| St. Joseph & St. Saran's Ferbane : a celebration | | Monograph or Collective Volume | Bishop of Ardagh & Clonmacnois and Provincial of the Congregation of St. Joseph of Cluny | 2004 |
| St. Modwenna | | Monograph or Collective Volume | | 1947 |
| Stair Ercuil ocus a bás. The life and death of Hercules | | Monograph or Collective Volume | Educational Company of Ireland | 1939 |
| Stair fhir-cheart ar Éirinn | | Monograph or Collective Volume | | 1941 |
| Statutes 10 Henry VI to 14 Elizabeth established in Ireland | Anonymous | Monograph or Collective Volume | | 1572 |
| Stottiana for 1000 years | Stott, M. D.Stott, W. T. | Article in Journal | | 1952 |
| Studies in building history : essays in recognition of the work of B.H.St.J. O'Neil | Jope, E. M. | Monograph or Collective Volume | | 1961 |
| Studies in Celtic survival | | Monograph or Collective Volume | | 1977 |
| Survivals in belief among the Celts | Henderson, George | Monograph or Collective Volume | | 1911 |
| Sylloge of coins of the British Isles, 21 : Coins in Yorkshire collections, The Yorkshire Museum, Leeds, The University of Leeds; pt. 1 : Coins from Northumbrian Mints, c.895-1279; pt. 2 : Ancient British Issues and later Coins from other English, Irish, and Scottish Mints to 1279 | Pirie, Elizabeth Jane Elphinstone | Monograph or Collective Volume | | 1975 |
| Tale of a great sham by Anna Parnell | | Monograph or Collective Volume | | 1986 |
| Tartans | Hesketh, Christian | Monograph or Collective Volume | | 1961 |
| Texts and calendars : an analytical guide to serial publications | Mullins, E. L. C. | Monograph or Collective Volume | | 1958 |
| The "David cycle" in Pictish art | Henderson, Isabel | Article in Book | | 1986 |
| The "Strange Humors" That Drove the Scotch-Irish to America, 1729 | Greene, Edward | Article in Journal | | 1955 |
| The 'Irish model' and the empire : a case for reassessment | Hawkins, Richard | Article in Book | | 1991 |
| The 'splendid shilling' : a social history of an engaging coin | Mays, J. O'D. | Monograph or Collective Volume | | 1982 |
| The 18th Royal Irish and their compatriots | Hitchcock, F. C. | Article in Journal | | 1940 |
| The 1923 General Election Campaign in Kerry | O'Shea, Owen | Article in Journal | | 2024 |
| The 1946 survey of the area flooded by the Erne hydro-Electricity Scheme, Co. Donegal | Corlett, Christiaan | Article in Journal | | 2006 |
| The abbey and cathedral of Ferns, 1111-1253 | Bates, Rhiannon CareyO'Keeffe, Tadhg | Article in Book | | 2016 |
| The abbey of the Port of St Maria, Dunbrody, Co. Wexford: an architectural study | Stout, Geraldine | Article in Book | | 2016 |
| The Acts of Trade | Andrews, Charles McLean | Article in Book | | 1929 |
| The additional letters of the Ogam alphabet | Simms-Williams, Patrick | Article in Journal | | 1992 |
| The Advocacy of Passive Resistance in Ireland, 1916-1922 | Davis, Richard | Article in Journal | | 1977 |
| The age of Arthur : a history of the British Isles from 350 to 650 | Morris, John | Monograph or Collective Volume | | 1973 |
| The American trade | Heaton, Herbert, 1890- | Article in Book | | 1948 |
| The Anglican mind of Edmund Burke | Kirk, Russell | Article in Journal | | 1952 |
| The Anglo-American Alliance and the Irish Application for Membership of the United Nations | Fanning, Ronan | Article in Journal | | 1986 |
| The annals of Inisfallen | | Monograph or Collective Volume | Institute for Advanced Studies | 1951 |
| The annals of Tigernach | | Article in Journal | | 1897 |
| The Annals of Ulster (to A.D. 1131); part 1 : Text and translation | | Monograph or Collective Volume | | 1983 |
| The archives of the archdiocese of Dublin | Sheehy, David C. | Article in Journal | | 1989 |
| The archives of the Congregation de Propaganda Fide | Millett, Benignus | Article in Journal | | 1956 |
| The archives of the diocese of Cork & Ross, Ireland | Bolster, M. A. | Article in Journal | | 1988 |
| The archives of the Missionary Sisters of the Holy Rosary | Richardson, Cora | Article in Journal | | 1991 |
| The Armagh diocesan archives | Murray, Raymond | Article in Journal | | 1974 |
| The Armagh registers : an under-explored source for late medieval Ireland | Cosgrove, Art | Article in Journal | | 1990 |
| The art of the Celtic church | Lamb, H. A. | Article in Journal | | 1937 |
| The Arthur manuscript | | Article in Journal | | 1962 |
| The Atlantic archipelago : a political history of the British Isles | Tompson, Richard S. | Monograph or Collective Volume | Mellen | 1986 |
| The autobiography of Theobald Wolfe Tone, 1763-98. 2 vols. | | Monograph or Collective Volume | | 1911 |
| The birth of an army : the formation of Óglaigh na hÉireann, 1913-1915 | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2003 |
| The bishopric of Derry and the Irish Society of London, 1602-1705, 1 : 1602-70; 2 : 1670-1705. 2 vols. | Moody, T. W. (Theodore William), 1907-1984Simms, J. G. (John Gerald) | Monograph or Collective Volume | | 1968 |
| The Black Book of Limerick | Russell, C. W. (Charles William) | Article in Book | | 1872 |
| The Book of Glendalough, or Rawlinson B502 | Ó Riain, Pádraig, 1939- | Article in Journal | | 1981 |
| The book of rights | | Monograph or Collective Volume | | 1847 |
| The Book of Survey and Distribution, of the estates in the county of Westmeath forfeited in the year MDCLII [1652] | | Monograph or Collective Volume | | 1852 |
| The breakdown of public security : the case of Ireland 1916-1921 and Palestine 1936-1939 | Bowden, Tom | Monograph or Collective Volume | | 1977 |
| The British Empire | Hodson, Henry Vincent | Monograph or Collective Volume | | 1939 |
| The British Empire and Commonwealth | Harvey, HeatherSomervell, David Churchill | Monograph or Collective Volume | | 1959 |
| The British Isles, 1100-1500 : Comparisons, Contrasts and Connections | | Monograph or Collective Volume | Donald | 1988 |
| The British muse, or tyranny exposed ... To which is added A short poem on the generous articles of Limerick and Galway | Tutchin, John | Monograph or Collective Volume | | 1701 |
| The Cambridge modern history, 4 : The thirty years' war | | Monograph or Collective Volume | | 1906 |
| The Cambridge modern history, 5 : The age of Louis XIV | | Monograph or Collective Volume | | 1908 |
| The Catholic Question in Ireland and England, 1798-1822 : The Papers of Denys Scully | | Monograph or Collective Volume | | 1988 |
| The Catholic Record Society | Brady, John, d.1963 | Article in Journal | | 1950 |
| The Celtic churches : a history, AD 200-1200 | McNeill, J. T. | Monograph or Collective Volume | Chicago University Press | 1974 |
| The Celtic saints : our heritage | Mould, D. D. C. P. | Monograph or Collective Volume | Clonmore & Reynolds | 1956 |
| The chronicle of Ireland, 1584-1608. Edited by Herbert Wood | Perrot, James | Monograph or Collective Volume | | 1933 |
| The coins of the ancient Celts | Allen, D. F. | Monograph or Collective Volume | | 1980 |
| The Commonwealth records | Burke, J. B. (John Bernard), Sir | Article in Book | | 1882 |
| The connection between the Scottish clan MacQueen and the Irish clan MacSweeney | Sweeney, R. M. | Article in Journal | | 1962 |
| The constitution and finance of English, Scottish and Irish joint-stock companies to 1720, 1 : The general development of the joint-stock system to 1720; 2 : Companies for foreign trade, colonization, fishing and mining; 3 : Water-supply, postal, streetlighting, manufacturing, banking, finance and insurance companies : also statements relating to crown finances. 3 vols. | Scott, William Robert | Monograph or Collective Volume | | 1910 |
| The Constitution and Finance of English, Scottish and Irish Joint-Stock Companies to 1720. 3 vols. | Scott, W. R. | Monograph or Collective Volume | | 1910 |
| The convert rolls | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1981 |
| The correspondence of James Boswell with David Garrick, Edmund Burke, and Edmond Malone | Baker, Peter StuartCopeland, ThomasKahrl, G. M.McClellan, RachelOsborn, James | Monograph or Collective Volume | | 1987 |
| The creation of Britain : multiple kingdoms or core and colonies? | Wormald, Jenny | Article in Journal | | 1992 |
| The Culdees | Booth, H. C. | Article in Journal | | 1947 |
| The curraghs of Ireland | Hornell, James | Article in Journal | | 1938 |
| The date and authorship of the Apgitir Chrabaid : some internal evidence | Ó Néill, P. P. | Article in Book | | 1987 |
| The de-greening of the Irish : Toronto's Irish-Catholic press, imperialism, and the forging of a new identity, 1887-1914 | McGowan, Mark G. | Article in Journal | | 1989 |
| The deep sea and coast fisheries of Ireland, with suggestions for the working of a fishing company | Brabazon, Wallop | Monograph or Collective Volume | | 1848 |
| The description of Ireland & the state thereof as it is at this present in anno 1598 | | Monograph or Collective Volume | | 1878 |
| The description, conquest, inhabitation, and troublesome estate of Ireland ... continued from the death of King Henrie the eight untill this present time [1586] | Hooker, John | Article in Book | | 1587 |
| The diocese of Raphoe, 1773-1805 : documents illustrating the history of the diocese from the 'Congressi' volumes in the archives of the 'Propaganda Fide', Rome | | Monograph or Collective Volume | | 1980 |
| The distribution of Scots and Irish in Upper Canada, 1851-1871 | Brunger, Alan G. | Article in Journal | | 1990 |
| The Drapier Letters to the people of Ireland against receiving Wood's Halfpence | Davis, HerbertSwift, Jonathan, 1667-1745 | Monograph or Collective Volume | | 1935 |
| The Duan Albanach | Jackson, Kenneth | Article in Journal | | 1957 |
| The Dublin fragment of Tigernach's Annals | | Article in Journal | | 1897 |
| The duke of Argyll and the land question in late nineteenth-century Britain | Mason, J. W. | Article in Journal | | 1976 |
| The early Christians in Britain | Dodd, B. E.Heritage, T. C. | Monograph or Collective Volume | | 1966 |
| The economic situation and the functions of substantial landowners, 1600-1815 : Ulster and Lowland Scotland compared | Roebuck, Peter | Article in Book | | 1988 |
| The eighteenth century proprietary library in England | Beckwith, Frank | Article in Journal | | 1947 |
| The eighteenth-century memorials of Dennis Cullen of Monaseed | Longfield, A. K. (Ada Kathleen), 1899-1987 | Monograph or Collective Volume | Avoca Handweavers | 1948 |
| The famine and the development of the Church in Scotland | Handley, J. E. | Article in Journal | | 1947 |
| The Fenian raid of 1866 and events on the frontier | | Article in Journal | | 1911 |
| The Gaelic account of the Bruce invasion, Cath Fhochairte Brighite : medieval romance or modern forgery? | Duffy, Seán | Article in Journal | | 1988 |
| The garrison of Fort Wellington : a military dispute during the Fenian troubles | Stacey, Charles Perry | Article in Journal | | 1932 |
| The general armory of England, Scotland, Ireland and Wales : comprising a registry of armorial bearings from the earliest to the present time | Burke, J. B. (John Bernard), SirBurke, John, 1787-1848 | Monograph or Collective Volume | Harrison & Sons | 1884 |
| The Glorious Revolution | Miller, John | Monograph or Collective Volume | | 1983 |
| The Glorious revolution | Miller, John | Article in Book | | 1990 |
| The Gormanston register - Viscount Gormanston, Gormanston Castle, Ireland | Gilbert, J. T. (John Thomas), Sir, 1829-1898 | Article in Book | | 1874 |
| The Guinness family; arranged by M. Galwey | | Monograph or Collective Volume | Lund Humphries | 1953 |
| The Hamilton manuscripts : containing some account of the settlement of the territories ... in the county of Down, by Sir James Hamilton, knight (afterwards created Viscount Claneboye) in the reigns of James I and Charles I | | Monograph or Collective Volume | | 1867 |
| The high road to England | Faber, Richard | Monograph or Collective Volume | | 1985 |
| The historian as 'private eye' | Warren, Wilfred Lewis, 1929- | Article in Book | | 1974 |
| The historical St. Columba. | Simpson, W. D. | Monograph or Collective Volume | | 1963 |
| The historical writings of Patrick J. Corish to 1989 | | Article in Book | | 1990 |
| The history of railways in Britain | Ferneyhough, Frank | Monograph or Collective Volume | | 1975 |
| The history of the Prince of Wales's Leinster Regiment, Royal Canadians. Pt. i, The old army; Pt. ii, The Great War and the disbandment of the regiment. 2 vols. | | Monograph or Collective Volume | | 1924 |
| The history of the survey of Ireland commonly called the Down Survey by Doctor W. Petty, A.D. 1655-6 | | Monograph or Collective Volume | | 1851 |
| The household effects of a Waterford merchant family in 1640 | | Article in Journal | | 1978 |
| The hunting diaries (1863-1872) of Sir John Fermor Godfrey of Kilcoleman Abbey, Co. Kerry|The hunting diaries (1873-81) of Sir John Fermor Godfrey of Kilcoleman Abbey, Co. Kerry | Bary, V[alerie] M. | Article in Journal | | 1979 |
| The Idea of 'Imperial Federation' | Martin, Gerald Warren | Article in Book | | 1975 |
| The Inchiquin manuscripts | | Monograph or Collective Volume | Stationery Office [for the Irish Manuscripts Commission] | 1961 |
| The interest of England in the Irish transplantation, stated. ... Being chiefly intended as an answer to a scandalous seditious pamphlet, intituled The great case of tranplantation in Ireland, discussed | Lawrence, Richard, Marshall-General | Monograph or Collective Volume | | 1655 |
| The interest of England in the preservation of Ireland | Philips, George | Monograph or Collective Volume | | 1689 |
| The Irish collection in the Working Class Movement Library | Frow, EdmundFrow, Ruth | Article in Journal | | 1990 |
| The Irish colleges in the Low Countries | | Article in Journal | | 1949 |
| The Irish community in Greenock in the 19th century | Lobban, R. D. | Article in Journal | | 1971 |
| The Irish Diaspora of the Seventeenth and Eighteenth Centuries | Cullen, L. M. (Louis Michael) | Article in Book | | 1994 |
| The Irish difficulty and how it must be met | Scrope, G. P. | Article in Journal | | 1849 |
| The Irish emigration of 1847 and its Canadian consequences | Gallagher, J. A. | Article in Journal | | 1935 |
| The Irish Franciscan mission to Scotland in the 17th century | Giblin, Cathaldus | Article in Journal | | 1952 |
| The Irish Franciscans in Poland | Jennings, Brendan | Article in Journal | | 1957 |
| The Irish in Atlantic Canada, 1780-1900 | | Monograph or Collective Volume | New Ireland Press | 1991 |
| The Irish in Britain, 1815-1914 | Davis, Graham | Monograph or Collective Volume | | 1991 |
| The Irish in Cape Breton | Mackenzie, A. A. | Monograph or Collective Volume | | 1980 |
| The Irish in modern Scotland | Handley, J. E. | Monograph or Collective Volume | University P. | 1947 |
| The Irish in Nineteenth Century South Africa | McCracken, Donal P. | Article in Journal | | 1983 |
| The Irish in Nova Scotia : Annals of the Charitable Irish Society of Halifax, 1786-1836 | Stewart, H. L. | Monograph or Collective Volume | Kentville Publishing Co. | 1949 |
| The Irish in Quebec : an introduction to the historiography. Followed by an annotated bibliography on the Irish in Quebec | Grace, Robert J. | Monograph or Collective Volume | | 1993 |
| The Irish Manuscripts Commission : work in progress | Hogan, J. | Monograph or Collective Volume | University P. | 1954 |
| The Irish masque | Jonson, Ben | Monograph or Collective Volume | | 1613 |
| The Irish Protestants and James II, 1688-1690 | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1992 |
| The Irish rebellion : or the history of the beginning and first progress of the general rebellion raised within the kingdom of Ireland, upon the three and twentieth day of October, 1641 | Temple, John | Monograph or Collective Volume | | 1646 |
| The Irish rebellion of 1798 : two first hand accounts | | Article in Journal | | 1974 |
| The Irish Republic | Lough, S. M. | Article in Book | | 1953 |
| The Irish settlement in the Forks of the Delaware | Anonymous | Article in Journal | | 1912 |
| The Irish settlers of southern New Hampshire | Brennan, J. F. | Article in Journal | | 1910 |
| The Irish Struggle 1916-1926 | | Monograph or Collective Volume | Routledge & Kegan Paul | 1968 |
| The journals of the House of Lords, 1509- | Anonymous | Monograph or Collective Volume | | 1767 |
| The kelts of colonial Boston | Ackland, Thomas | Article in Journal | | 1907 |
| The killing of Shane O'Neill : some new evidence | | Article in Journal | | 1982 |
| The last of the Montgomerys : Roger the Poitevin and Arnulf | Chandler, Victoria | Article in Journal | | 1989 |
| The last speech of Blessed Oliver Plunket | | Article in Journal | | 1947 |
| The Laud genealogies and tribal histories | | Article in Journal | | 1912 |
| The law relating to local government in Ireland : being the Local Government (Ireland) Act, 1898, and other statutes affecting county and district councils ... 2 vols. | Vanston, G. T. B., Sir | Monograph or Collective Volume | | 1899 |
| The Leadbeater papers, 1 : The annals of Ballitore with a memoir of the author; 2 : Letters and correspondence | | Monograph or Collective Volume | | 1862 |
| The letters of Charles O'Conor of Belanagare. 2 vols. | Ward, C. C.Ward, R. E. | Monograph or Collective Volume | | 1980 |
| The letters of Innocent III to Ireland : a calendar ... | | Article in Journal | | 1962 |
| The letters of Saint Oliver Plunkett, 1625-1681 : Archbishop of Armagh and Primate of all Ireland | | Monograph or Collective Volume | | 1979 |
| The letters of Saint Oliver Plunkett, 1625-1681, Archbishop of Armagh and Primate of All Ireland | | Monograph or Collective Volume | | 1979 |
| The Life and Times of Mary Ann McCracken, 1770–1866 ~ A Belfast Panorama | McNeill, Mary, 1897-1984 | Monograph or Collective Volume | Irish Academic Press | 2019 |
| The life and writings of Jeremy Taylor | Stranks, C. J. | Monograph or Collective Volume | | 1952 |
| The life of John, first Baron Darcy of Knayth | D'Arcy, R. F. | Monograph or Collective Volume | | 1933 |
| The Lynch Blosse papers | | Article in Journal | | 1980 |
| The Making of the Montgomery manuscripts | Gillespie, Raymond, 1955-2024 | Article in Journal | | 1986 |
| The manuscripts and correspondence of James, first earl of Charlemont, Vol. 1, 1745-83; vol. 2, 1784-99. (12th Report, appendix 10 [C. 6338-ii]; 13th Report, appendix 8 [C. 7424]). 2 vols. | Historical Manuscripts Commission | Monograph or Collective Volume | | 1891 |
| The martyrology of Oengus the Culdee, critically edited from ten manuscripts, with a preface, translation, notes and indices {Félire Óengusso Céli Dé] | | Monograph or Collective Volume | | 1905 |
| The medieval Tower of Hook : a review of its dating and history | Murtagh, Ben | Article in Book | | 2016 |
| The men of the north | Shaw, R. C. | Monograph or Collective Volume | | 1973 |
| The migration of the Ciarraige | Hull, Vernam | Article in Journal | | 1950 |
| The monastery of Tallaght | | Article in Journal | | 1911 |
| The Natal campaign, 1899-1900 | Jourdain, H. F. N. | Monograph or Collective Volume | | 1948 |
| The New Zealand Labour Party's "Irish Campaign", 1916-1921 | Davis, Richard P. | Article in Journal | | 1967 |
| The Normans and their world | Lindsay, Jack | Monograph or Collective Volume | | 1973 |
| The Normans in Britain | Cantrell, JohnWilkinson, Donald | Monograph or Collective Volume | | 1987 |
| The O Clery book of genealogies | | Article in Journal | | 1951 |
| The O'Doyne (Ó Duinn) manuscript : documents relating to the family of O'Doyne (Ó Duinn) from Archbishop Marsh's Library, Dublin, MS Z.4.2.19 | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1983 |
| The offices of secretary of state for Ireland and keeper of the signet or privy seal | Wood, Herbert | Article in Journal | | 1929 |
| The origin of British field systems : an interpretation | Dodgshon, Robert A. | Monograph or Collective Volume | | 1980 |
| The origin of tower houses | McNeill, T. E. | Article in Journal | | 1992 |
| The parliamentary register, or history of the proceedings and debates of the house of commons of Ireland (1781-1800). 20 vols. | Anonymous | Monograph or Collective Volume | | 1784 |
| The parliaments of England from 1st George I, to the present time. 3 vols. | Smith, H. S. | Monograph or Collective Volume | | 1844 |
| The Parnell tragedy | Abels, Jules | Monograph or Collective Volume | Macmillan | 1966 |
| The patent still distillers and the role of competition | Weit, R. B. | Article in Book | | 1977 |
| The Patrician texts in the Book of Armagh | | Monograph or Collective Volume | Institute for Advanced Studies | 1979 |
| The peerage of England, Scotland, and Ireland | Debrett, John | Monograph or Collective Volume | | 1802 |
| The piety of Jeremy Taylor | Hughes, H. T. | Monograph or Collective Volume | Macmillan | 1960 |
| The place of healing in early Irish society | Davies, Wendy, 1942- | Article in Book | | 1989 |
| The post-Brunanburh Viking coinage of York with some remarks on the Viking coinages which preceded the same | Dolley, Michael | Article in Journal | | 1957 |
| The registers of Waterford cathedral, 1655-1706 | Morris, H. P. | Article in Journal | | 1982 |
| The relations of Henry VII with Scotland and Ireland (1485-1497), illustrated from episodes in the life of Sir Henry Wyatt (1460?-1537) | Conway, Agnes Ethel | Article in Journal | | 1928 |
| The Renaissance fortifications at Dunboy castle, 1602 : a report of the 1989 excavations | Klingelhöfer, E. | Article in Journal | | 1992 |
| The Roman Catholic hierarchy and the fall of Parnell | Larkin, Emmet, 1927-2012 | Article in Journal | | 1961 |
| The rose, the shamrock and the cabbage : the battle for Irish voters in Upper-Town Quebec, 1827-1836 | De Brou, David | Article in Journal | | 1991 |
| The Round Table Movement and 'Home Rule all Round'. | Kendle, J. E. | Article in Journal | | 1968 |
| The Rt. Hon. Edmund Burke (1729-97) : a basis for a pedigree | O'Connell, Basil | Article in Journal | | 1956 |
| The Rule of Tallaght | | Article in Journal | | 1927 |
| The saint as seer : Adomnán's account of Columba | MacQueen, John | Article in Book | | 1989 |
| The Scots of Dalriada | Bannerman, John | Article in Book | | 1971 |
| The Scottish and Irish linen industry compared 1780-1860 | Durie, Alastair J.Solar, Peter M. | Article in Book | | 1988 |
| The Scottish and Irish representative peers, 1783-1837 | Turberville, A. S. | Article in Journal | | 1944 |
| The state letters of Henry, earl of Clarendon, lord lieutenant of Ireland ... and his lordship's diary for the years 1687, 1688, 1689 and 1690. 2 vols. | Anonymous | Monograph or Collective Volume | | 1765 |
| The state of the borough representation of Ireland, 1783 | Grattan, Henry | Article in Book | | 1836 |
| The state of the protestants of Ireland under the late King James's government | King, William, Archbishop of Dublin | Monograph or Collective Volume | | 1691 |
| The strange death of Guaire mac Áedáin | Picard, Jean-Michel | Article in Book | | 1989 |
| The Stuart papers at Windsor. Being selections from hitherto unprinted royal archives, with introduction and notes | Tayler, A. N.Tayler, Henrietta | Monograph or Collective Volume | John Murray | 1939 |
| The submission of Irish kings in fact and fiction : Henry II, Bendigeidfran, and the dating of The Four Branches of the Mabinogi | Sims-Williams, Patrick | Article in Journal | | 1991 |
| The Tanner letters. Original documents and notices of Irish affairs in the sixteenth and seventeenth centuries. Extracted from the collection in the Bodleian Library, Oxford | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1943 |
| The tedium of history : an approach to Maria Edgeworth's Patronage (1814) | McCormack, W. J. | Article in Book | | 1991 |
| The Thoresby Miscellany, 16 | Anonymous | Monograph or Collective Volume | | 1974 |
| The Tirry documents in the Archives de France, Paris | | Article in Journal | | 1957 |
| The Tirry documents in the Augustinian General Archives | Hackett, M. B. | Article in Journal | | 1957 |
| The town book of the corporation of Belfast, 1613-1816 | | Monograph or Collective Volume | | 1892 |
| The Ulster state papers | | Article in Journal | | 1859 |
| The United Kingdom : the development of its laws and constitutions. [Pt. 1], England and Wales, Northern Ireland, the Isle of Man. [Pt. 2], Scotland, by T.B. Smith, [and] The Channel Islands, by L.A. Sheridan | | Monograph or Collective Volume | | 1955 |
| The use of documentary source material in the Northern Ireland survey of industrial archaeology | McCutcheon, W. A. | Article in Journal | | 1966 |
| The Vikings | | Monograph or Collective Volume | | 1978 |
| The vision of Tnugnal | | Monograph or Collective Volume | | 1989 |
| The volunteers of Ireland | Anonymous | Article in Journal | | 1907 |
| The walled towns of Ireland. 2 vols. | Thomas, Avril | Monograph or Collective Volume | | 1992 |
| The will of John O'Neill, third earl of Tyrone | | Article in Journal | | 1974 |
| The works of George Berkeley, Bishop of Cloyne | | Monograph or Collective Volume | | 1948 |
| Things to be done in Irish genealogical history | Irish Committee of Historical Sciences | Article in Journal | | 1946 |
| Thomas Arnold junior : a biographical sketch | Chorley, K. | Article in Journal | | 1954 |
| Three unpublished Cistercian documents | [Ó Conbhuí], Colmcille | Article in Journal | | 1955 |
| Timothy Healy : Memories and Anecdotes | Barton, Dunbar Plunket, Sir | Monograph or Collective Volume | | 1933 |
| To cure and to care : memoirs of a chief medical officer | Deeny, James | Monograph or Collective Volume | Glendale | 1989 |
| Two "topoi" in the Agricola | Mann, J. C. | Article in Journal | | 1985 |
| Two bokes of histories of Ireland compiled by Edmund Campion (1571) | | Monograph or Collective Volume | | 1963 |
| Two Drogheda voters' lists : 1798 and 1802 | Corcoran, Moira | Article in Journal | | 1985 |
| Two unpublished letters of Oliver Cromwell | Jones, Clyve | Article in Journal | | 1973 |
| Typographical antiquities : being an historical account of printing in England ... 1471-1600 ... Scotland and Ireland to the same time | Ames, Joseph | Monograph or Collective Volume | | 1749 |
| Ulster and other Irish maps, c.1600 | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1964 |
| Vetera monumenta Hibernorum et Scotorum historiam illustrantia ... 1216-1547 | | Monograph or Collective Volume | | 1864 |
| Victorian doctor, being the life of Sir William Wilde | Wilson, T. G. | Monograph or Collective Volume | Methuen | 1946 |
| Viking and Early Medieval Buildings in Dublin : a study of the buildings excavated under the direction of A.B. Ó Ríordáin in High Street, Winetavern Street and Christchurch Place, Dublin, 1962-63, 1967-76 | Murray, Hillary | Monograph or Collective Volume | BAR | 1983 |
| Walwin's wiles | Anonymous | Monograph or Collective Volume | | 1649 |
| War, revolution and the crisis of the British empire | Duffy, Michael | Article in Book | | 1991 |
| William Molyneux's geographical collections for Kerry | | Article in Journal | | 1971 |
| Wills and inventories, Cork | | Article in Journal | | 1862 |
| Winston S. Churchill. Companion to vol. 2, pt. 1 : 1901-1907; pt. 2 : 1907-1911; pt. 3 : 1911-1914. 3 pts. | Churchill, Randolph Frederick Edward Spencer, 1911-1968 | Monograph or Collective Volume | | 1969 |
| Women in Western European History : A Select Chronological, Geographical and Topical Bibliography : From Antiquity to the French Revolution | Frey, LindaFrey, MarshaSchneider, Joanne | Monograph or Collective Volume | | 1982 |
| Women in Western European History : A Select Chronological, Geographical and Topical Bibliography : The Nineteenth and Twentieth Centuries | Frey, LindaFrey, MarshaSchneider, Joanne | Monograph or Collective Volume | | 1984 |
| Writings on Irish history, 1945-7 | | Article in Journal | | 1948 |
| Writings on Irish history, 1948, 1949, 1950 | | Article in Journal | | 1950 |
| Writings on Irish history, 1951, 1952, 1953 | | Article in Journal | | 1954 |
| Writings on Irish history, 1954 | | Article in Journal | | 1955 |
| Writings on Irish history, 1959-60. Addenda, 1956-9 and 1958-9 | | Article in Journal | | 1961 |
| Writings on Irish history, 1972.. 1973 | | Article in Journal | | 1974 |